linux-kernel - [PATCH 1/4] dmaengine: dw_dmac: use helper macro module_platform

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Date:	Tue,  2 Oct 2012 14:41:58 +0300
From:	Andy Shevchenko <andriy.shevchenko@...ux.intel.com>
To:	Viresh Kumar <viresh.linux@...il.com>,
	Vinod Koul <vinod.koul@...el.com>,
	linux-kernel@...r.kernel.org,
	spear-devel <spear-devel@...t.st.com>, balbi@...com
Cc:	Heikki Krogerus <heikki.krogerus@...ux.intel.com>,
	Andy Shevchenko <andriy.shevchenko@...ux.intel.com>
Subject: [PATCH 1/4] dmaengine: dw_dmac: use helper macro module_platform_driver()

From: Heikki Krogerus <heikki.krogerus@...ux.intel.com>

Since v3.2 we have nice macro to define the platform driver's init and exit
calls. This patch simplifies the dw_dmac driver by using that macro.

Signed-off-by: Heikki Krogerus <heikki.krogerus@...ux.intel.com>
Signed-off-by: Andy Shevchenko <andriy.shevchenko@...ux.intel.com>
Reviewed-by: Felipe Balbi <balbi@...com>
Acked-by: Viresh Kumar <viresh.kumar@...aro.org>
---
 drivers/dma/dw_dmac.c |   13 ++-----------
 1 file changed, 2 insertions(+), 11 deletions(-)

diff --git a/drivers/dma/dw_dmac.c b/drivers/dma/dw_dmac.c
index c4b0eb3..0b88ced 100644
--- a/drivers/dma/dw_dmac.c
+++ b/drivers/dma/dw_dmac.c
@@ -1700,6 +1700,7 @@ MODULE_DEVICE_TABLE(of, dw_dma_id_table);
 #endif
 
 static struct platform_driver dw_driver = {
+	.probe		= dw_probe,
 	.remove		= __devexit_p(dw_remove),
 	.shutdown	= dw_shutdown,
 	.driver = {
@@ -1709,17 +1710,7 @@ static struct platform_driver dw_driver = {
 	},
 };
 
-static int __init dw_init(void)
-{
-	return platform_driver_probe(&dw_driver, dw_probe);
-}
-subsys_initcall(dw_init);
-
-static void __exit dw_exit(void)
-{
-	platform_driver_unregister(&dw_driver);
-}
-module_exit(dw_exit);
+module_platform_driver(dw_driver);
 
 MODULE_LICENSE("GPL v2");
 MODULE_DESCRIPTION("Synopsys DesignWare DMA Controller driver");
-- 
1.7.10.4

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